Operating Segment, Geographic Information and Significant Customers - Geographic Distribution of Revenues and Long Lived Assets from Continuing Operations (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2016	Dec. 31, 2015	Jun. 30, 2016
Segment Reporting, Revenue Reconciling Item [Line Items]
Net revenues	$ 98,014	$ 60,417	$ 185,663	$ 118,826
Identifiable long-lived assets	39,379		39,379		$ 28,337
US
Segment Reporting, Revenue Reconciling Item [Line Items]
Net revenues	91,407	58,211	174,455	115,573
Europe
Segment Reporting, Revenue Reconciling Item [Line Items]
Net revenues	5,809	653	6,662	1,111
Asia Pacific
Segment Reporting, Revenue Reconciling Item [Line Items]
Net revenues	798	1,553	4,546	2,142
Reportable Geographical Components [Member] | US
Segment Reporting, Revenue Reconciling Item [Line Items]
Net revenues	93,300	60,160	179,635	118,776
Identifiable long-lived assets	37,863		37,863		28,187
Reportable Geographical Components [Member] | Europe
Segment Reporting, Revenue Reconciling Item [Line Items]
Net revenues	5,809	1,024	6,677	1,513
Identifiable long-lived assets	1,496		1,496		127
Reportable Geographical Components [Member] | Asia Pacific
Segment Reporting, Revenue Reconciling Item [Line Items]
Net revenues	798	1,553	4,546	2,142
Identifiable long-lived assets	20		20		23
Geography Eliminations [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Net revenues	(1,893)	(2,320)	(5,195)	(3,605)
Identifiable long-lived assets	0		0		$ 0
Geography Eliminations [Member] | US
Segment Reporting, Revenue Reconciling Item [Line Items]
Net revenues	(1,893)	(1,949)	(5,180)	(3,203)
Geography Eliminations [Member] | Europe
Segment Reporting, Revenue Reconciling Item [Line Items]
Net revenues	0	(371)	(15)	(402)
Geography Eliminations [Member] | Asia Pacific
Segment Reporting, Revenue Reconciling Item [Line Items]
Net revenues	$ 0	$ 0	$ 0	$ 0